Allopregnanolone modulation of HPA axis function in the adult rat (Articolo in rivista)

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Label
  • Allopregnanolone modulation of HPA axis function in the adult rat (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00213-014-3521-6 (literal)
Alternative label
  • Biggio G.; Pisu M.G.; Biggio F.; Serra M. (2014)
    Allopregnanolone modulation of HPA axis function in the adult rat
    in Psychopharmacologia
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Biggio G.; Pisu M.G.; Biggio F.; Serra M. (literal)
Pagina inizio
  • 3437 (literal)
Pagina fine
  • 3444 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84906940127&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 231 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 17 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Life and Environment Sciences, University of Cagliari, Cagliari 09100, Italy; Center of Excellence for Neurobiology of Dependence, University of Cagliari, Cagliari 09100, Italy; C.N.R., Neuroscience Institute, Cagliari 09100, Italy; Department of Life and Environment Sciences, Section of Neuroscience, University of Cagliari, Cagliari 09100, Italy (literal)
Titolo
  • Allopregnanolone modulation of HPA axis function in the adult rat (literal)
Abstract
  • Rationale: GABAergic neuronal circuits regulate neuroendo- crine stress response, and the most potent positive endogenous modulator of GABA A receptor function is allopregnanolone. This neurosteroid acts in a nongenomic manner to selectively increase the inhibitory signal meditated by GABA A receptors; in addition, it also induces long-lasting changes in the expres- sion of specific GABA A receptor subunits in various brain regions, with consequent changes in receptor function. Objective The objective of this review is to summarize our findings on emotional state and stress responsiveness in three animal models in which basal brain concentrations of allopregnanolone differ. It is postulated that individual differ- ences in allopregnanolone levels can influence general resilience. Results: The results showed that there is an apparent correla- tion between endogenous levels of brain allopregnanolone and basal and stress-stimulated HPA axis activity. Conclusion: The relationship between endogenous brain levels of allopregnanolone and HPA axis activity and function sustains the therapeutic potential of this neurosteroid for the treatment of stress-associated disorders.bject] (literal)
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